kiwi-pxeboot from openSUSE:Leap:15.3:WSL project
Select Your Operating System
Add repository and install manually
For standard run the following as root:
zypper addrepo https://download.opensuse.org/repositories/openSUSE:Leap:15.3:WSL/standard/openSUSE:Leap:15.3:WSL.repo zypper refresh zypper install kiwi-pxeboot